Of all the result complements in Chinese, this one is one of the most satisfying to use, since it implies "finishing" something. On it's own, 完 (wán) means "to finish" or "complete." Using it in this grammar structure, it expresses the idea of doing the verb until you are complete.

Structure
As well as with 到 and 见, you can also form result complements with 完. This indicates that an action is finished or completed. The structure is:
subject+verb+完+了+object

Examples